Vacuum cleaner



FIG. 1 is a perspective view of a vacuum cleaner that has the design.

FIG. 2 is front perspective view of the vacuum cleaner.

FIG. 3 is a left side perspective view of the vacuum cleaner.

FIG. 4 is a right side perspective view of the vacuum cleaner.

FIG. 5 is a rear perspective view of the vacuum cleaner; and,

FIG. 6 is a top perspective view of the vacuum cleaner.

The ornamental design for a vacuum cleaner, as shown and described.